How To Proceed With Troubleshooting
CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING
HINT
* Use the following procedure to troubleshoot the dynamic radar cruise control system.
* *: Use the Techstream.
1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. INSPECT BATTERY VOLTAGE
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding.
NEXT -- Continue to next step.
3. CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*
(a) Use the Techstream to check if the multiplex communication system (MPX) is functioning normally.
Result:
B -- GO TO MULTIPLEX COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
4. CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result:
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.
5. CHECK FOR DTC*
Refer to DTC Check / Clear Dynamic Radar Cruise Control System.
(a) Check for DTCs and note any codes that are output.
(b) Clear the DTCs.
(c) Recheck for DTCs. Try to prompt the DTCs by simulating the original activity that the DTCs suggest.
Result:
B -- Go to step 8
A -- Continue to next step.
6. PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table Dynamic Radar Cruise Control System.
Result:
B -- Go to step 8
A -- Continue to next step.
7. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Dynamic Radar Cruise Control System
(b) Data List / Active Test Dynamic Radar Cruise Control System
NEXT -- Continue to next step.
8. ADJUST, REPAIR OR REPLACE
NOTICE:
* When the distance control ECU is replaced with a new one, initialization must be performed Installation.
* When the millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed Adjustments.
NEXT -- Continue to next step.
9. CONFIRMATION TEST
NEXT -- END